Ynot Posted March 25, 2015 Share Posted March 25, 2015 Don't think we're close enough to April 1st for this to not be serious, so let's see what we think... The use of bass frequencies to extinguish flames... http://www.independent.co.uk/life-style/gadgets-and-tech/news/this-new-soundbased-fire-extinguisher-puts-out-flames-by-dropping-the-bass-10131841.html If it IS a valid option it could have some serious future implications for tackling fires - not quite sure on precisely how in a practical sense in larger disasters, but the mind does start to boggle when I think on it. On a lighter side, theatres could perhaps therefore justify in the investment of cash into an array of subs to dot around the place citing "Well, it's elf 'n' safety, innit...?":D Link to comment Share on other sites More sharing options...
Brian Posted March 25, 2015 Share Posted March 25, 2015 Demonstrated in the video below, the cylindrical device, smaller than many more traditional fire extinguishers, is held about a foot away from flames and immediately snuffs them out.(my bold) Link to comment Share on other sites More sharing options...
kerry davies Posted March 25, 2015 Share Posted March 25, 2015 Scenario One; Fire breaks out. Speakers thrown onto flames. Fire brigade arrives and isolates mains electricity. Chipboard conflagration erupts. As someone once said on BR. Hmmmm? Link to comment Share on other sites More sharing options...
Owain Posted March 25, 2015 Share Posted March 25, 2015 QVC have been doing this for years when they demonstrate Bose clock-radios for £500 by putting a speaker in a plastic cylinder and blowing out a candle. Link to comment Share on other sites More sharing options...
Ynot Posted March 25, 2015 Author Share Posted March 25, 2015 Demonstrated in the video below, the cylindrical device, smaller than many more traditional fire extinguishers, is held about a foot away from flames and immediately snuffs them out.(my bold)Clearly the advanced use of this audio technology in the future would need to be of a developed and practical fashioning... :) After all, look at how the world of the firearm has come on since the first peashooter fired an air-propelled, well, pea through a long tube...:D Link to comment Share on other sites More sharing options...
the kid Posted March 25, 2015 Share Posted March 25, 2015 mythbusters did it a few years ago, http://www.discovery.com/tv-shows/mythbusters/mythbusters-database/extinguish-fires-with-human-voice/. I cant find a video at the moment, but they had quite a stack trying to do it, less directional. As a side note re firefighting, There is a firehose in testing that cuts brick now that looks like fun. Link to comment Share on other sites More sharing options...
Simon Lewis Posted March 26, 2015 Share Posted March 26, 2015 Although this looks to be a great trick (and as Ynot suggests we wouldn't take this too seriously) pointing a speaker at the fire doesn't really do anything about oxygen, heat or fuel - and the likely reignition! Link to comment Share on other sites More sharing options...
Brian Posted March 26, 2015 Share Posted March 26, 2015 Bob. Quick, the waste basket's on fire.Tim. Grab the sound-based fire extinguisher.Bob. Got it.Tim. Quick. Put the fire out.Bob. The batteries are flat! Link to comment Share on other sites More sharing options...
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